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- # -*- coding: utf-8 -*-
- # Due to the dots present in the various qt paths code signing doesn't work on MacOS
- # Running this script over the packaged .app fill fixes that problem
- #
- # usage: python3 fix_app_qt_folder_names_for_codesign.py dist/dist/Ultimaker-Cura.app
- #
- # source: https://github.com/pyinstaller/pyinstaller/wiki/Recipe-OSX-Code-Signing-Qt
- import os
- import shutil
- import sys
- from pathlib import Path
- from typing import Generator, List, Optional
- from macholib.MachO import MachO
- def create_symlink(folder: Path) -> None:
- """Create the appropriate symlink in the MacOS folder
- pointing to the Resources folder.
- """
- sibbling = Path(str(folder).replace("MacOS", ""))
- # PyQt5/Qt/qml/QtQml/Models.2
- root = str(sibbling).partition("Contents")[2].lstrip("/")
- # ../../../../
- backward = "../" * (root.count("/") + 1)
- # ../../../../Resources/PyQt5/Qt/qml/QtQml/Models.2
- good_path = f"{backward}Resources/{root}"
- folder.symlink_to(good_path)
- def fix_dll(dll: Path) -> None:
- """Fix the DLL lookup paths to use relative ones for Qt dependencies.
- Inspiration: PyInstaller/depend/dylib.py:mac_set_relative_dylib_deps()
- Currently one header is pointing to (we are in the Resources folder):
- @loader_path/../../../../QtCore (it is referencing to the old MacOS folder)
- It will be converted to:
- @loader_path/../../../../../../MacOS/QtCore
- """
- def match_func(pth: str) -> Optional[str]:
- """Callback function for MachO.rewriteLoadCommands() that is
- called on every lookup path setted in the DLL headers.
- By returning None for system libraries, it changes nothing.
- Else we return a relative path pointing to the good file
- in the MacOS folder.
- """
- basename = os.path.basename(pth)
- if not basename.startswith("Qt"):
- return None
- return f"@loader_path{good_path}/{basename}"
- # Resources/PyQt5/Qt/qml/QtQuick/Controls.2/Fusion
- root = str(dll.parent).partition("Contents")[2][1:]
- # /../../../../../../..
- backward = "/.." * (root.count("/") + 1)
- # /../../../../../../../MacOS
- good_path = f"{backward}/MacOS"
- # Rewrite Mach headers with corrected @loader_path
- dll = MachO(dll)
- dll.rewriteLoadCommands(match_func)
- with open(dll.filename, "rb+") as f:
- for header in dll.headers:
- f.seek(0)
- dll.write(f)
- f.seek(0, 2)
- f.flush()
- def find_problematic_folders(folder: Path) -> Generator[Path, None, None]:
- """Recursively yields problematic folders (containing a dot in their name)."""
- for path in folder.iterdir():
- if not path.is_dir() or path.is_symlink():
- # Skip simlinks as they are allowed (even with a dot)
- continue
- if "." in path.name:
- yield path
- else:
- yield from find_problematic_folders(path)
- def move_contents_to_resources(folder: Path) -> Generator[Path, None, None]:
- """Recursively move any non symlink file from a problematic folder
- to the sibbling one in Resources.
- """
- for path in folder.iterdir():
- if path.is_symlink():
- continue
- if path.name == "qml":
- yield from move_contents_to_resources(path)
- else:
- sibbling = Path(str(path).replace("MacOS", "Resources"))
- sibbling.parent.mkdir(parents=True, exist_ok=True)
- shutil.move(path, sibbling)
- yield sibbling
- def main(args: List[str]) -> int:
- """
- Fix the application to allow codesign (NXDRIVE-1301).
- Take one or more .app as arguments: "Nuxeo Drive.app".
- To overall process will:
- - move problematic folders from MacOS to Resources
- - fix the DLLs lookup paths
- - create the appropriate symbolic link
- """
- for app in args:
- name = os.path.basename(app)
- print(f">>> [{name}] Fixing Qt folder names")
- path = Path(app) / "Contents" / "MacOS"
- for folder in find_problematic_folders(path):
- for file in move_contents_to_resources(folder):
- try:
- fix_dll(file)
- except (ValueError, IsADirectoryError):
- continue
- shutil.rmtree(folder)
- create_symlink(folder)
- print(f" !! Fixed {folder}")
- print(f">>> [{name}] Application fixed.")
- if __name__ == "__main__":
- sys.exit(main(sys.argv[1:]))
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